UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025051012.upa.cvt Date: 1200Z 10 MAY 25 Searching for DRRN... Searching the city database file for: DRRN ... Date:1200Z 10 MAY 25 Station: DRRN WMO ident: 61052 Latitude: 13.48 Longitude: 2.17 Elevation: 227.00 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- 0 1000 107 SFC 987 227 36.0 20.0 39 16.0 24.4 220 12 310.3 313.2 298.0 356.3 15.08 2 975 338 33.8 18.8 41 15.0 23.0 248 13 309.2 311.8 297.1 352.1 14.14 3 925 812 28.8 18.8 55 10.0 21.6 220 13 308.8 311.6 297.5 354.0 14.93 4 895 1104 26.2 18.2 61 8.0 20.5 219 11 309.0 311.8 297.5 354.1 14.86 5 881 1243 25.8 15.8 54 10.0 18.9 220 10 310.0 312.4 296.5 349.4 12.92 6 865 1405 26.0 12.0 42 14.0 16.7 188 5 311.8 313.8 295.1 343.3 10.24 7 856 1497 26.0 10.0 37 16.0 15.7 170 2 312.8 314.5 294.5 340.8 9.04 8 850 1559 25.6 8.6 34 17.0 14.8 125 4 313.0 314.5 294.0 338.7 8.27 9 793 2164 22.2 -5.8 15 28.0 8.0 94 16 315.6 316.2 290.5 325.7 3.12 10 713 3072 13.6 -9.4 19 23.0 3.1 83 19 315.9 316.4 290.1 324.5 2.63 11 700 3226 12.2 -10.8 19 23.0 2.0 85 20 316.0 316.5 289.9 323.9 2.39 12 600 4489 1.6 -10.4 40 12.0 -3.6 78 41 318.0 318.5 291.0 327.4 2.89 13 587 4664 0.0 -11.0 43 11.0 -4.6 77 42 318.1 318.6 291.0 327.4 2.81 14 564 4982 -2.7 -12.7 46 10.0 -6.7 75 43 318.6 319.1 290.9 327.0 2.55 15 539 5340 -3.9 -20.9 25 17.0 -9.4 73 39 321.3 321.6 290.5 325.9 1.34 16 525 5547 -3.9 -26.9 15 23.0 -10.4 72 37 323.7 323.9 290.7 326.6 0.80 17 500 5930 -5.9 -26.9 17 21.0 -11.8 70 33 325.8 326.0 291.4 328.9 0.84 18 484 6184 -8.1 -26.1 22 18.0 -13.1 67 32 326.2 326.4 291.6 329.5 0.94 19 477 6298 -8.5 -28.5 18 20.0 -13.7 70 31 327.1 327.2 291.6 329.8 0.76 20 468 6446 -7.9 -34.9 9 27.0 -14.0 74 29 329.6 329.7 292.0 331.2 0.42 21 400 7650 -15.9 -52.9 3 37.0 -20.6 80 23 334.3 334.3 293.0 334.6 0.07 22 393 7783 -16.5 -56.5 2 40.0 -21.2 75 23 335.2 335.2 293.2 335.4 0.05 23 356 8517 -22.9 -59.9 2 37.0 -26.2 49 25 336.2 336.3 293.4 336.4 0.03 24 347 8704 -23.9 -60.9 2 37.0 -27.0 42 25 337.4 337.4 293.7 337.5 0.03 25 300 9750 -31.5 -47.5 19 16.0 -33.1 355 32 341.0 341.0 294.7 341.7 0.17 26 250 11020 -40.9 -57.9 14 17.0 -41.8 345 22 345.3 345.3 295.6 345.5 0.06 27 216 11997 -48.1 -57.1 35 9.0 -48.4 289 17 348.8 348.9 296.4 349.2 0.08 28 200 12500 -51.7 -60.7 33 9.0 -52.0 260 15 350.9 350.9 296.9 351.1 0.05 29 196 12631 -52.5 -63.5 25 11.0 -52.8 258 15 351.7 351.7 297.0 351.8 0.04 30 150 14300 -66.9 -72.9 42 6.0 -67.0 230 9 354.8 354.8 297.7 354.9 0.01 31 131 15105 -72.7 -77.1 51 4.4 -72.7 180 8 358.5 358.5 298.4 358.5 0.01 32 118 15713 -75.9 -80.9 45 5.0 -75.9 167 9 363.5 363.5 299.4 363.5 0.00 33 112 16012 -79.1 -83.2 51 4.1 -79.1 165 10 362.9 362.9 299.2 363.0 0.00 34 106 16323 -81.1 -85.2 50 4.1 -81.1 162 11 364.9 364.9 299.7 364.9 0.00 35 105 16376 -81.1 -85.2 50 4.1 -81.1 162 11 365.9 365.9 299.8 365.9 0.00 36 100 16650 -80.9 -85.8 43 4.9 -80.9 160 12 371.4 371.4 300.8 371.4 0.00 37 97 16822 -81.3 -86.3 42 5.0 -81.3 152 11 373.9 373.9 301.2 373.9 0.00 38 70 18700 -72.3 -84.3 15 12.0 -72.4 265 14 429.7 429.7 308.8 429.7 0.00 39 67 18956 -73.1 -85.1 14 12.0 -73.2 260 13 433.4 433.4 309.2 433.4 0.00 40 64 19223 -74.1 -86.1 14 12.0 -74.2 254 12 436.9 436.9 309.6 436.9 0.00 41 56 20007 -70.5 -86.5 8 16.0 -70.6 238 10 462.1 462.1 312.0 462.2 0.00 42 50 20680 -69.5 -86.5 7 17.0 -69.6 225 8 479.7 479.7 313.4 479.7 0.00 43 39 22188 -62.3 -84.3 4 22.0 -62.9 22 14 533.2 533.3 317.1 533.3 0.01 44 33 23221 -61.7 -83.7 4 22.0 -62.4 72 22 560.9 560.9 318.7 561.0 0.01 45 31 23607 -62.7 -83.7 4 21.0 -63.3 90 24 568.4 568.4 319.1 568.4 0.01 46 30 23810 -60.7 -82.7 4 22.0 -61.5 100 26 579.2 579.2 319.6 579.3 0.01 47 28 24244 -57.1 -81.1 3 24.0 -58.4 96 28 600.7 600.7 320.6 600.9 0.02 48 26 24714 -56.1 -79.1 4 23.0 -57.6 97 31 616.4 616.4 321.3 616.6 0.03 49 25 24964 -55.7 -79.7 3 24.0 -57.4 98 34 624.5 624.5 321.7 624.7 0.03 50 25 24964 -55.5 -78.5 4 23.0 -57.2 98 34 625.1 625.1 321.7 625.4 0.03 51 24 25225 -54.7 -78.7 4 24.0 -56.6 99 36 634.8 634.8 322.1 635.0 0.03 52 23 25498 -54.5 -78.5 4 24.0 -56.5 101 39 643.1 643.1 322.4 643.4 0.04 53 22 25784 -53.1 -77.1 4 24.0 -55.5 102 42 655.5 655.5 322.9 655.9 0.05 54 21 26084 -52.5 -76.5 4 24.0 -55.1 103 45 666.1 666.1 323.3 666.6 0.06 55 20 26400 -52.7 -75.7 5 23.0 -55.4 105 48 674.9 674.9 323.6 675.4 0.07 56 16 27861 -47.3 -73.3 4 26.0 -52.1 91 49 737.0 737.0 325.6 738.0 0.12 57 12 29786 -42.9 -68.9 4 26.0 -50.5 97 57 815.7 815.9 327.7 818.8 0.30 58 11 30377 -40.3 -67.3 4 27.0 -49.5 98 59 845.7 846.0 328.4 850.0 0.41 59 10 31030 -38.7 -65.7 4 27.0 -49.1 100 62 875.1 875.4 329.1 881.2 0.56 60 9.9 31099 -38.5 -65.5 4 27.0 -49.0 878.4 878.7 329.1 884.7 0.58 61 9.2 31603 -38.3 -64.3 5 26.0 -49.1 897.7 898.1 329.5 906.0 0.73 62 9.1 31678 -38.3 -64.3 5 26.0 -49.2 900.5 900.9 329.6 908.9 0.74 63 9.0 31754 -38.5 -65.5 4 27.0 -49.4 902.6 903.0 329.6 909.8 0.64 64 8.5 32148 -37.7 -64.7 4 27.0 -49.3 920.6 921.1 329.9 929.3 0.75 65 8.0 32567 -36.9 -63.9 4 27.0 -49.2 939.9 940.4 330.4 950.4 0.89 66 7.9 32654 -37.3 -65.3 4 28.0 -49.6 941.7 942.1 330.4 950.5 0.74 TRP 856 1497 26.0 10.0 37 16.0 15.7 170 2 312.8 314.5 294.5 340.8 9.04 WND Sounding variables and indices 1000-500 mb thick: 5823.00 m Freezing level: 587.00 mb = 4664.14 m = 15302.10 ft Wetbulb zero: 663.86 mb = 3660.24 m = 12008.53 ft Precipitable water: 1.17 inches Sfc-500 mean rel hum: 31.54 % Est. max temperature: 39.23 C = 102.62 F Sfc-Lift cond lev (LCL): 784.66 mb = 2254.13 m = 7395.34 ft T: 21.34 C 700-500 lapse rate: 6.69 C/km ThetaE index: 30.23 C Layer 881.0- 600.0 mb Conv cond level (CCL): 721.91 mb = 2965.65 m = 9729.71 ft Mean mixing ratio: 14.63 g/kg Conv temperature: 41.53 C = 106.76 F Cap Strength: 6.13 C Lifted Index: -4.16 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -4.98 C Lifted Index @700 mb: 0.70 C Showalter Index: 1.46 C Risk: Showers probable Total Totals Index: 46.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 31.50 C Cross Totals Index: 14.50 C K Index: 17.10 Risk: < 20 % chance of thunderstorms Sweat Index: 144.20 Risk: None Energy Index: -1.82 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1425.91 J/kg Max Up Vert Vel: 53.40 m/s Conv Inhibition (B-): 250.35 J/kg Cap Strength: 6.12 C Lift Cond Lev (LCL): 793.30 mb = 2160.58 m = 7088.45 ft Lev Free Conv (LFC): 678.30 mb = 3483.99 m = 11430.27 ft Equ Level (EL): 168.30 mb = 13581.71 m = 44558.89 ft B at Equ Level: 1421.91 J/kg Max Parcel Lev (MPL): 78.30 mb = 18055.14 m = 59235.29 ft Wind level data Storm motion: 113 at 19 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 987 227 220 12 7.7 9.2 | 265 25 24.8 2.1 1 979 305 250 13 12.2 4.4 | 275 29 29.3 -2.7 2 946 610 235 15 12.3 8.6 | 267 29 29.4 1.5 3 925 812 220 13 8.4 10.0 | 264 26 25.5 2.9 4 914 914 210 12 6.0 10.4 | 262 23 23.1 3.3 5 883 1219 225 11 7.8 7.8 | 268 25 24.9 0.7 6 856 1497 170 2 -0.3 2.0 | 287 18 16.8 -5.1 7 850 1559 125 4 -3.3 2.3 | 289 15 13.8 -4.8 8 824 1829 120 9 -7.8 4.5 | 286 10 9.3 -2.6 9 795 2134 95 16 -15.9 1.4 | 348 6 1.2 -5.7 10 767 2438 85 17 -16.9 -1.5 | 359 9 0.2 -8.6 11 740 2743 80 18 -17.7 -3.1 | 4 10 -0.6 -10.2 12 700 3226 85 20 -19.9 -1.7 | 18 9 -2.8 -8.8 13 663 3658 90 25 -25.0 0.0 | 48 11 -7.9 -7.1 14 615 4267 80 40 -39.4 -6.9 | 58 26 -22.3 -14.0 15 570 4877 75 44 -42.5 -11.4 | 54 31 -25.4 -18.5 16 500 5930 70 33 -31.0 -11.3 | 37 23 -13.9 -18.4 17 489 6096 65 33 -29.9 -13.9 | 31 25 -12.8 -21.0 18 402 7620 105 16 -15.5 4.1 | 331 3 1.6 -3.0 19 400 7650 80 23 -22.7 -4.0 | 27 12 -5.6 -11.1 20 326 9144 25 26 -11.0 -23.6 | 349 31 6.1 -30.7 21 300 9750 355 32 2.8 -31.9 | 333 44 19.9 -39.0 22 263 10668 345 31 8.0 -29.9 | 326 45 25.1 -37.0 23 250 11020 345 22 5.7 -21.3 | 321 36 22.8 -28.3 24 200 12500 260 15 14.8 2.6 | 278 32 31.9 -4.5 25 150 14300 230 9 6.9 5.8 | 273 24 24.0 -1.3 26 128 15240 170 8 -1.4 7.9 | 267 16 15.7 0.8 27 100 16650 160 12 -4.1 11.3 | 252 14 13.0 4.2 28 75 18288 85 5 -5.0 -0.4 | 302 14 12.1 -7.5 29 70 18700 265 14 13.9 1.2 | 281 32 31.0 -5.9 30 50 20680 225 8 5.7 5.7 | 274 23 22.8 -1.4 31 45 21336 340 7 2.4 -6.6 | 305 24 19.5 -13.7 32 30 23810 100 26 -25.6 4.5 | 73 9 -8.5 -2.6 33 27 24384 95 28 -27.9 2.4 | 67 12 -10.8 -4.7 34 20 26400 105 48 -46.4 12.4 | 100 30 -29.3 5.3 35 17 27432 90 47 -47.0 0.0 | 77 31 -29.9 -7.1 36 10 31030 100 62 -61.1 10.8 | 95 44 -44.0 3.7 Wind Parameters Mean winds (0-6000m): 82.5 at 24.7 knts Storm direction: 112.5 at 18.5 knts Shear (0-3000m) pos: 0.3 neg: 5.2 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 112.6 deg Storm rel helicity (0-3000m) pos: 100.4 neg: -48.1 tot: 52.3 m^2/s^2 ave: 17.4 10^-3 m/s^2 rel: 0.34 Storm rel vorticity (0-3000m) horiz: 9.1 stream: 3.1 10^-3/s Energy-Hel index: 0.81 Bulk Rich Number: 7.56 Bulk Shear: 188.68 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 238 14 270 29| 2.4 0.0 2.4| 31.8 -38.6 -6.7 -13.5 -0.04| 13.0 -0.5 1000 229 13 267 27| 1.2 1.6 2.8| 48.5 -46.5 2.0 2.0 0.05| 10.0 0.5 1500 223 10 269 24| 0.8 5.9 6.6| 78.9 -47.4 31.4 20.9 0.20| 12.0 2.4 2000 197 11 260 20| 0.6 7.2 7.7| 90.8 -48.1 42.7 21.4 0.30| 12.0 3.6 2500 154 12 252 12| 0.5 6.3 6.7| 94.1 -48.1 46.0 18.4 0.31| 10.4 3.2 3000 122 13 269 6| 0.3 5.2 5.5|100.4 -48.1 52.3 17.4 0.34| 9.1 3.1 4000 99 17 359 4| 0.9 5.6 6.5|123.1 -48.1 75.0 18.7 0.35| 9.5 3.3 5000 88 22 33 10| 0.8 4.7 5.5|123.1 -83.2 39.9 8.0 0.25| 8.6 2.2 6000 83 25 36 13| 0.6 3.3 3.9|126.6-133.4 -6.8 -1.1 0.15| 8.2 1.2 Wrote GIF file: /home/apache/climate/data/raob//DRRN/skewt/DRRN.skewt.20250510.12.gif